Home / 84,971.60-127,492.20-37,561.60

Finding the Fourth Proportional to 84,971.60, 127,492.20 and 37,561.60

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Solution

The fourth proportional to 84,971.60, 127,492.20 and 37,561.60 is: 56,357.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,971.60 : 127,492.20 = 37,561.60 : x
  2. Step 2: Convert to fraction form
    84,971.60/127,492.20 = 37,561.60/x
  3. Step 3: Cross multiply
    84,971.60x = 127,492.20 × 37,561.60
  4. Step 4: Simplify right side
    84,971.60x = 4,788,811,019.52
  5. Step 5: Solve for x
    x = 4,788,811,019.52/84,971.60
  6. Step 6: Final answer
    x = 56,357.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.